CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing Body
The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
CAISO will increase its daily procurement of operating reserves in response to the erroneous tripping of solar generation caused the loss of 1,200 MW.
California lawmakers are concerned that expanding CAISO into a regional grid operator could result in higher electricity bills and job losses.
CAISO stakeholders pressed the ISO for details on a proposal to broaden and make permanent some of the operational measures it developed in response to the Aliso Canyon gas restrictions.
CAISO has proposed to make permanent its practice of curtailing gas burn and using market tools to reduce the reliability risk posed by Aliso Canyon.
The California State Senate passed a bill that would require the state's load-serving entities to obtain all their electricity from renewables by 2045.
The Los Angeles Department of Water and Power (LADWP) is the 11th utility to announce plans to participate in the CAISO-run Energy Imbalance Market (EIM).
Powerex has signed an agreement with CAISO to become the first non-U.S. participant in the Western Energy Imbalance Market (EIM).
Panelists discussed the CAISO Energy Imbalance Market at the annual meeting of the Western Conference of Public Service Commissioners.
CAISO stakeholders voiced skepticism about the effectiveness of a new ISO initiative to prevent early retirement of unprofitable generators.
A CAISO official told stakeholders that reforms to the congestion revenue rights auctions will come only after painstaking analysis.
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